Marcum Collins, M.D.
Rheumatology Physician · Knoxville, TN
Marcum Collins, M.D. is a rheumatology physician with a practice address in Knoxville, Tennessee, and NPI 1154732436, issued on May 8, 2014. Check the license on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marcum Collins
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- MD.36162 AL
Self-reported in NPPES; status is on the state search - Practice location
- 1932 Alcoa Highway, Knoxville, TN 37920
- Phone
- (865) 305-6543
- Enumerated
- May 8, 2014
- Record last updated
- Jun 5, 2023
- Fax
- (865) 305-2694
- Medicare enrollment
- Enrolled (PECOS I20190726001409); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1932 Alcoa Highway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monte Biggs, M.D.Internal Medicine Physician1073611943
- John Cooper, M.D.Internal Medicine Physician1063510931
- Douglas Hembree, M.D.Internal Medicine Physician1427156397
Verify Marcum Collins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% more Medicare Part D claims than the average rheumatology physician in 2024
2,872 Medicare Part D claims for 308 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydroxychloroquine Sulfate473 claims
- Methotrexate328 claims
- Humira(Cf) Pen327 claims
- Enbrel Sureclick244 claims
- Prednisone210 claims
- Leflunomide196 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 95.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,243.75
127 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Health System, Inc.Knoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rheumatology Physician providers in Tennessee
There are 139 rheumatology physician records in Tennessee.
Other rheumatology physician records in Tennessee
- Mishal Abdullah, M.D.Knoxville, TN1730319518
- Annette Abril, M.D.Kingsport, TN1013127430
- Iman Abutineh, MDMemphis, TN1316503444
- Titilola Akhigbe, M.DMemphis, TN1437350816
- Rania Al Asmar, MDJohnson City, TN1083107932
- Mohammad Ali, M.DHendersonville, TN1871696096
- Jane Alissandratos, M.D.Cordova, TN1497746838
- Narender Annapureddy, M.D.Nashville, TN1821302597
- Judy Ash, M.D.Cordova, TN1730170184
- Daniel Austin, MDMemphis, TN1003435793
Common questions
What is Marcum Collins, M.D.'s NPI number?
Marcum Collins, M.D.'s National Provider Identifier (NPI) is 1154732436, issued on May 8, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Marcum Collins, M.D. located?
The NPPES record lists a practice address at 1932 Alcoa Highway, Knoxville, TN, 37920. Phone: (865) 305-6543. Providers update this record themselves, so call before visiting.
How can I verify Marcum Collins, M.D.'s license?
Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marcum Collins, M.D. prescribe under Medicare Part D?
In 2024, Marcum Collins, M.D. had 2,872 Medicare Part D claims for 308 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Marcum Collins, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.